v3.26.1
Financing Receivables - Credit Quality Information - Syndicated Loans (Details) - USD ($)
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Financing receivables - credit quality information      
Loan write-offs $ 1,000,000 $ 1,000,000  
Commercial Loans      
Financing receivables - credit quality information      
Loan write-offs 1,000,000 $ 0  
Commercial Loans | Syndicated loans      
Financing receivables - credit quality information      
Recorded investment 75,000,000   $ 79,000,000
Amortized cost basis by year of origination and loan-to-value ratio      
Year 1 10,000,000   32,000,000
Year 2 28,000,000   31,000,000
Year 3 23,000,000   9,000,000
Year 4 7,000,000   0
Year 5 0   3,000,000
Prior 7,000,000   4,000,000
Total 75,000,000   79,000,000
Commercial Loans | Syndicated loans | Risk 5      
Financing receivables - credit quality information      
Recorded investment 0   0
Amortized cost basis by year of origination and loan-to-value ratio      
Year 1 0   0
Year 2 0   0
Year 3 0   0
Year 4 0   0
Year 5 0   0
Prior 0   0
Total 0   0
Commercial Loans | Syndicated loans | Risk 4      
Financing receivables - credit quality information      
Recorded investment 1,000,000   1,000,000
Amortized cost basis by year of origination and loan-to-value ratio      
Year 1 0   0
Year 2 0   0
Year 3 0   0
Year 4 0   0
Year 5 0   0
Prior 1,000,000   1,000,000
Total 1,000,000   1,000,000
Commercial Loans | Syndicated loans | Risk 3      
Financing receivables - credit quality information      
Recorded investment 14,000,000   9,000,000
Amortized cost basis by year of origination and loan-to-value ratio      
Year 1 3,000,000   7,000,000
Year 2 6,000,000   1,000,000
Year 3 1,000,000   1,000,000
Year 4 1,000,000   0
Year 5 0   0
Prior 3,000,000   0
Total 14,000,000   9,000,000
Commercial Loans | Syndicated loans | Risk 2      
Financing receivables - credit quality information      
Recorded investment 34,000,000   35,000,000
Amortized cost basis by year of origination and loan-to-value ratio      
Year 1 6,000,000   11,000,000
Year 2 13,000,000   15,000,000
Year 3 9,000,000   3,000,000
Year 4 3,000,000   0
Year 5 0   3,000,000
Prior 3,000,000   3,000,000
Total 34,000,000   35,000,000
Commercial Loans | Syndicated loans | Risk 1      
Financing receivables - credit quality information      
Recorded investment 26,000,000   34,000,000
Amortized cost basis by year of origination and loan-to-value ratio      
Year 1 1,000,000   14,000,000
Year 2 9,000,000   15,000,000
Year 3 13,000,000   5,000,000
Year 4 3,000,000   0
Year 5 0   0
Prior 0   0
Total 26,000,000   34,000,000
Commercial Loans | Syndicated loans | Past due      
Financing receivables - credit quality information      
Recorded investment 0   0
Amortized cost basis by year of origination and loan-to-value ratio      
Total $ 0   $ 0